Home / 19,261.52-28,896.72-8,168.64

Finding the Fourth Proportional to 19,261.52, 28,896.72 and 8,168.64

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Solution

The fourth proportional to 19,261.52, 28,896.72 and 8,168.64 is: 12,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.52 : 28,896.72 = 8,168.64 : x
  2. Step 2: Convert to fraction form
    19,261.52/28,896.72 = 8,168.64/x
  3. Step 3: Cross multiply
    19,261.52x = 28,896.72 × 8,168.64
  4. Step 4: Simplify right side
    19,261.52x = 236,046,902.86
  5. Step 5: Solve for x
    x = 236,046,902.86/19,261.52
  6. Step 6: Final answer
    x = 12,254.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.